Conservation Scientist Giancarlo Lanterna (Opificio delle Pietre Dure - OPD) and Conservator Mark Gittins (Head of Lippi conservation team, Conservazione Beni Culturali) examining and evaluating results of invasive investigations on site. The OPD, one of the OMWP partners, has been responsible for the diagnostic investigation for this project, which included the characterization of the synthetic
resins used during previous conservation interventions. Photo: F. Piqué.